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Table 6 Reliability analysis of SSFS

From: Reliability and validity of the novel self-reported spine functional scale (SSFS) in healthy participants

Item Cronbach’s α coefficient after removal of each item
Standing postural assessment 0.717
Supine postural assessment 0.717
Neck flexor muscle strength 0.699
Abdominal Core muscle strength 0.692
Prone press-up 0.699
Supine knee-to-chest 0.702
Wall roll-down 0.698
Wall angel 0.701